/******************************************************************************
 *
 * Module Name: acpi_osl - Panthera OSL interfaces
 *
 *****************************************************************************/

/******************************************************************************
 *
 * 1. Copyright Notice
 *
 * Some or all of this work - Copyright (c) 1999 - 2006, Intel Corp.
 * All rights reserved.
 *
 * 2. License
 *
 * 2.1. This is your license from Intel Corp. under its intellectual property
 * rights.  You may have additional license terms from the party that provided
 * you this software, covering your right to use that party's intellectual
 * property rights.
 *
 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
 * copy of the source code appearing in this file ("Covered Code") an
 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
 * base code distributed originally by Intel ("Original Intel Code") to copy,
 * make derivatives, distribute, use and display any portion of the Covered
 * Code in any form, with the right to sublicense such rights; and
 *
 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
 * license (with the right to sublicense), under only those claims of Intel
 * patents that are infringed by the Original Intel Code, to make, use, sell,
 * offer to sell, and import the Covered Code and derivative works thereof
 * solely to the minimum extent necessary to exercise the above copyright
 * license, and in no event shall the patent license extend to any additions
 * to or modifications of the Original Intel Code.  No other license or right
 * is granted directly or by implication, estoppel or otherwise;
 *
 * The above copyright and patent license is granted only if the following
 * conditions are met:
 *
 * 3. Conditions
 *
 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
 * Redistribution of source code of any substantial portion of the Covered
 * Code or modification with rights to further distribute source must include
 * the above Copyright Notice, the above License, this list of Conditions,
 * and the following Disclaimer and Export Compliance provision.  In addition,
 * Licensee must cause all Covered Code to which Licensee contributes to
 * contain a file documenting the changes Licensee made to create that Covered
 * Code and the date of any change.  Licensee must include in that file the
 * documentation of any changes made by any predecessor Licensee.  Licensee
 * must include a prominent statement that the modification is derived,
 * directly or indirectly, from Original Intel Code.
 *
 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
 * Redistribution of source code of any substantial portion of the Covered
 * Code or modification without rights to further distribute source must
 * include the following Disclaimer and Export Compliance provision in the
 * documentation and/or other materials provided with distribution.  In
 * addition, Licensee may not authorize further sublicense of source of any
 * portion of the Covered Code, and must include terms to the effect that the
 * license from Licensee to its licensee is limited to the intellectual
 * property embodied in the software Licensee provides to its licensee, and
 * not to intellectual property embodied in modifications its licensee may
 * make.
 *
 * 3.3. Redistribution of Executable. Redistribution in executable form of any
 * substantial portion of the Covered Code or modification must reproduce the
 * above Copyright Notice, and the following Disclaimer and Export Compliance
 * provision in the documentation and/or other materials provided with the
 * distribution.
 *
 * 3.4. Intel retains all right, title, and interest in and to the Original
 * Intel Code.
 *
 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
 * Intel shall be used in advertising or otherwise to promote the sale, use or
 * other dealings in products derived from or relating to the Covered Code
 * without prior written authorization from Intel.
 *
 * 4. Disclaimer and Export Compliance
 *
 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
 * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
 * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
 * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
 * PARTICULAR PURPOSE.
 *
 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
 * LIMITED REMEDY.
 *
 * 4.3. Licensee shall not export, either directly or indirectly, any of this
 * software or system incorporating such software without first obtaining any
 * required license or other approval from the U. S. Department of Commerce or
 * any other agency or department of the United States Government.  In the
 * event Licensee exports any such software from the United States or
 * re-exports any such software from a foreign destination, Licensee shall
 * ensure that the distribution and export/re-export of the software is in
 * compliance with all laws, regulations, orders, or other restrictions of the
 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
 * any of its subsidiaries will export/re-export any technical data, process,
 * software, or service, directly or indirectly, to any country for which the
 * United States government or any agency thereof requires an export license,
 * other governmental approval, or letter of assurance, without first obtaining
 * such license, approval or letter.
 *
 *****************************************************************************/

#include <acpi_osl.h>
#include <debug.h>
#include <string.h>
#include "../acpi/include/acpi.h"
#include "../acpi/include/amlcode.h"
#include "../acpi/include/acparser.h"
#include "../acpi/include/acdebug.h"
#include "../acpi/include/acnames.h"

#define _COMPONENT          ACPI_OS_SERVICES
        ACPI_MODULE_NAME    ("ospantheraxf")

#define MEM_SIZE (8192*4)
#define SEMAPHORES 80

unsigned char slab[MEM_SIZE];
int slab_ptr;

typedef struct sem
{
	int val;
	int max;
} sem_t;

sem_t sems[SEMAPHORES];
int curr_sem;

int cb_ret;

extern void debugf(const char *format, ...);

void debugf_and_pause(const char *format, ...)
{
	va_list args;
	va_start(args, format);
	debugf(format, args);
	va_end(args);

	for(;;) {}
}

ACPI_STATUS acpi_device_cb(ACPI_HANDLE handle, UINT32 level, void *context, void **ret)
{
	ACPI_STATUS status;
	ACPI_DEVICE_INFO *info;
	ACPI_BUFFER path;
	ACPI_OBJECT_TYPE type;
	char buff[256];
	
	path.Length = sizeof(buff);
	path.Pointer = buff;
	/*
	if (ACPI_SUCCESS(status = AcpiHandleToPathname(handle, &path)))
	{
		debugf("%s\n", path.Pointer);
	}
	*/
	
	if (ACPI_FAILURE(status = AcpiGetType(handle, &type)))
	{
		debugf_and_pause("[ACPI] Could not get type (%x)\n", status);
		return status;
	}
	
	if (type != ACPI_TYPE_DEVICE)
	{
		debugf_and_pause("Not a device!\n");
		return AE_OK;
	}
	
	if (ACPI_SUCCESS(status = AcpiGetObjectInfo(handle, &path)))
	{
		info = path.Pointer;
		debugf("ID: %x Address: 0x%08x Status: %x\n", info->HardwareId, info->Address, info->CurrentStatus);
	}
	
	ret = (void*)&cb_ret;
	
	return AE_OK;
}

void acpi_enum_devices(void)
{
	ACPI_HANDLE h_system_bus;
	ACPI_STATUS status;
	
	if (ACPI_FAILURE(status = AcpiGetHandle(ACPI_ROOT_OBJECT, "\\_SB_", &h_system_bus)))
	{
		debugf("[ACPI] Failed to get handle for \\_SB_ (%x)\n", status);
		return;
	}
	
	if (ACPI_FAILURE(status = AcpiWalkNamespace(ACPI_TYPE_DEVICE, h_system_bus, 100, &acpi_device_cb, NULL, NULL)))
	{
		debugf("[ACPI] Failed to walk namespace (%x)\n", status);
	}
}

/******************************************************************************
 *
 * FUNCTION:    AcpiOsInitialize, AcpiOsTerminate
 *
 * PARAMETERS:  None
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Init and terminate.  Nothing to do.
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsInitialize (void)
{
    //AcpiGbl_OutputFile = stdout;
	debugf("[ACPI] OsInitialize\n");
	
	slab_ptr = 0;
	curr_sem = 0;
	
	AcpiDbgLevel = ACPI_NORMAL_DEFAULT;
    AcpiDbgLayer = 0xFFFFFFFF;

    return AE_OK;
}


ACPI_STATUS
AcpiOsTerminate (void)
{
	debugf("[ACPI] OsTerminate\n");
    return AE_OK;
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsGetRootPointer
 *
 * PARAMETERS:  None
 *
 * RETURN:      RSDP physical address
 *
 * DESCRIPTION: Gets the root pointer (RSDP)
 *
 *****************************************************************************/

ACPI_PHYSICAL_ADDRESS
AcpiOsGetRootPointer (
    void)
{

	debugf("[ACPI] OsGetRootPointer\n");
	
	void * addr;
	ACPI_TABLE_RSDP *rsdp = NULL;
	unsigned char checksum, i;
	unsigned char *ptr;
	
	for (addr = (void*)RSDP_START; addr <= (void*)RSDP_END; addr+=4)
	{		
		rsdp = (ACPI_TABLE_RSDP*)addr;
		
		if (strncmp(rsdp->Signature, ACPI_SIG_RSDP, 8) == 0)
		{
			// found the descriptor
			// check which version & return that
			
			//debugf("[ACPI] Found something...\n");
			
			ptr = (unsigned char*)addr;
			checksum = 0;
			for (i = 0; i < 20/*sizeof(ACPI_TABLE_RSDP)*/; i++) 
				checksum += *(ptr++);
			
			if (checksum == 0)
				return (ACPI_PHYSICAL_ADDRESS)addr;
		}
	}
	
	debugf("[ACPI] RSDP Not Found!\n");
	
	return 0;
    //return (AeLocalGetRootPointer ());
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsPredefinedOverride
 *
 * PARAMETERS:  InitVal     - Initial value of the predefined object
 *              NewVal      - The new value for the object
 *
 * RETURN:      Status, pointer to value.  Null pointer returned if not
 *              overriding.
 *
 * DESCRIPTION: Allow the OS to override predefined names
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsPredefinedOverride (
    const ACPI_PREDEFINED_NAMES *InitVal,
    ACPI_STRING                 *NewVal)
{

	debugf("[ACPI] OsPredefinedOverride (%s)\n", InitVal->Name);
    if (!InitVal || !NewVal)
    {
        return (AE_BAD_PARAMETER);
    }

    *NewVal = NULL;
    return (AE_OK);
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsTableOverride
 *
 * PARAMETERS:  ExistingTable   - Header of current table (probably firmware)
 *              NewTable        - Where an entire new table is returned.
 *
 * RETURN:      Status, pointer to new table.  Null pointer returned if no
 *              table is available to override
 *
 * DESCRIPTION: Return a different version of a table if one is available
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsTableOverride (
    ACPI_TABLE_HEADER       *ExistingTable,
    ACPI_TABLE_HEADER       **NewTable)
{

	debugf("[ACPI] OsTableOverride (%c%c%c%c)\n", ExistingTable->Signature[0],
	 ExistingTable->Signature[1], ExistingTable->Signature[2], ExistingTable->Signature[3]);

    if (!ExistingTable || !NewTable)
    {
        return (AE_BAD_PARAMETER);
    }

    *NewTable = NULL;

#ifdef ACPI_EXEC_APP

    /* This code exercises the table override mechanism in the core */

    if (ACPI_COMPARE_NAME (ExistingTable->Signature, ACPI_SIG_DSDT))
    {
        /* override DSDT with itself */

        *NewTable = AcpiGbl_DbTablePtr;
    }
    return (AE_OK);
#else
    return AE_NO_ACPI_TABLES;
#endif
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsReadable
 *
 * PARAMETERS:  Pointer             - Area to be verified
 *              Length              - Size of area
 *
 * RETURN:      TRUE if readable for entire length
 *
 * DESCRIPTION: Verify that a pointer is valid for reading
 *
 *****************************************************************************/

BOOLEAN
AcpiOsReadable (
    void                    *Pointer,
    ACPI_SIZE               Length)
{

	debugf_and_pause("[ACPI] OsReadable\n");
    return (TRUE);
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsWritable
 *
 * PARAMETERS:  Pointer             - Area to be verified
 *              Length              - Size of area
 *
 * RETURN:      TRUE if writable for entire length
 *
 * DESCRIPTION: Verify that a pointer is valid for writing
 *
 *****************************************************************************/

BOOLEAN
AcpiOsWritable (
    void                    *Pointer,
    ACPI_SIZE               Length)
{
	debugf_and_pause("[ACPI] OsWritable\n");

    return (TRUE);
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsRedirectOutput
 *
 * PARAMETERS:  Destination         - An open file handle/pointer
 *
 * RETURN:      None
 *
 * DESCRIPTION: Causes redirect of AcpiOsPrintf and AcpiOsVprintf
 *
 *****************************************************************************/

void
AcpiOsRedirectOutput (
    void                    *Destination)
{

	debugf_and_pause("[ACPI] OsRedirectOutput\n");
    //AcpiGbl_OutputFile = Destination;
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsPrintf
 *
 * PARAMETERS:  fmt, ...            Standard printf format
 *
 * RETURN:      None
 *
 * DESCRIPTION: Formatted output
 *
 *****************************************************************************/

void ACPI_INTERNAL_VAR_XFACE
AcpiOsPrintf (
    const char              *format,
    ...)
{
	//debugf("%s\n", format);
	
	char **arg = (char **) &format;
	int c;
	char buf[20];
	int padchar;
	int width;
 
	arg++;
	while ((c = *format++) != 0)
    {
    	if (c != '%')
        	putchar (c);
       	else
        {
        	
			padchar = ' ';
			width = 0;
			c = *format++;
			if( c == '0' ){
				padchar = '0';
				c = *format++;
			}
			while( c >= '0' && c <= '9' ){
				width *= 10;
				width += c - '0';
				c = *format++;
			}
			
        	char *p;
			//c = *format++;
           	switch (c)
            {
            	case 'd':
 				case 'u':
 				case 'x':
 				case 'X':
 					itoa(buf, c, *((int *) arg++));
               		p = buf;
               		goto string;
               		break;
             	case 's':
   					p = *arg++;
   					if (! p)
     					p = "(null)";
 
             	string:
             		width = width - strlen(p);
             		while (width > 0)
             		{ putchar(padchar); width--; }
               		while (*p)
                 		putchar (*p++);
           		break;
 
             	default:
               		putchar (*((int *) arg++));
               	break;
             }
         }
     }
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsVprintf
 *
 * PARAMETERS:  fmt                 Standard printf format
 *              args                Argument list
 *
 * RETURN:      None
 *
 * DESCRIPTION: Formatted output with argument list pointer
 *
 *****************************************************************************/

void
AcpiOsVprintf (
    const char              *Fmt,
    va_list                 Args)
{

	//debugf("[ACPI] OsVPrintf\n");

	//AcpiOsPrintf(Fmt, Args);
	

    return;
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsGetLine
 *
 * PARAMETERS:  fmt                 Standard printf format
 *              args                Argument list
 *
 * RETURN:      Actual bytes read
 *
 * DESCRIPTION: Formatted input with argument list pointer
 *
 *****************************************************************************/

UINT32
AcpiOsGetLine (
    char                    *Buffer)
{


debugf_and_pause("[ACPI] OsGetLine\n");
/*
    for (i = 0; ; i++)
    {
        scanf ("%1c", &Temp);
        if (!Temp || Temp == '\n')
        {
            break;
        }

        Buffer [i] = Temp;
    }
*/

    /* Null terminate the buffer */

//    Buffer [i] = 0;
    /* Return the number of bytes in the string */

    return 0;
}

/******************************************************************************
 *
 * FUNCTION:    AcpiOsMapMemory
 *
 * PARAMETERS:  where               Physical address of memory to be mapped
 *              length              How much memory to map
 *
 * RETURN:      Pointer to mapped memory.  Null on error.
 *
 * DESCRIPTION: Map physical memory into caller's address space
 *
 *****************************************************************************/

void *
AcpiOsMapMemory (
    ACPI_PHYSICAL_ADDRESS   where,
    ACPI_SIZE               length)
{

	//debugf("[ACPI] OsMapMemory\n");
	
    return (ACPI_TO_POINTER ((ACPI_NATIVE_UINT) where));
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsUnmapMemory
 *
 * PARAMETERS:  where               Logical address of memory to be unmapped
 *              length              How much memory to unmap
 *
 * RETURN:      None.
 *
 * DESCRIPTION: Delete a previously created mapping.  Where and Length must
 *              correspond to a previous mapping exactly.
 *
 *****************************************************************************/

void
AcpiOsUnmapMemory (
    void                    *where,
    ACPI_SIZE               length)
{

	//debugf("[ACPI] OsUnmapMemory\n");
	
    return;
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsAllocate
 *
 * PARAMETERS:  Size                Amount to allocate, in bytes
 *
 * RETURN:      Pointer to the new allocation.  Null on error.
 *
 * DESCRIPTION: Allocate memory.  Algorithm is dependent on the OS.
 *
 *****************************************************************************/

void *
AcpiOsAllocate (
    ACPI_SIZE               size)
{
    void                    *Mem = 0;

	//debugf("[ACPI] OsAllocate\n");
	
	if (size + slab_ptr < MEM_SIZE)
	{
		Mem = slab + slab_ptr;
		slab_ptr += size;
	}
	else
	{
		debugf_and_pause("[ACPI] Not Enough Memory!\n");
	}

    return Mem;
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsFree
 *
 * PARAMETERS:  mem                 Pointer to previously allocated memory
 *
 * RETURN:      None.
 *
 * DESCRIPTION: Free memory allocated via AcpiOsAllocate
 *
 *****************************************************************************/

void
AcpiOsFree (
    void                    *mem)
{

	//debugf("[ACPI] OsFree\n");
    //free (mem);
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsCreateSemaphore
 *
 * PARAMETERS:  InitialUnits        - Units to be assigned to the new semaphore
 *              OutHandle           - Where a handle will be returned
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Create an OS semaphore
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsCreateSemaphore (
    UINT32              MaxUnits,
    UINT32              InitialUnits,
    ACPI_HANDLE         *OutHandle)
{

	return AE_OK;

debugf("[ACPI] OsCreateSemaphore\n");

	sems[curr_sem].max = MaxUnits;
	sems[curr_sem].val = InitialUnits;
    *OutHandle = (ACPI_HANDLE)curr_sem;
    curr_sem++;
    
    return AE_OK;
}

/******************************************************************************
 *
 * FUNCTION:    AcpiOsDeleteSemaphore
 *
 * PARAMETERS:  Handle              - Handle returned by AcpiOsCreateSemaphore
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Delete an OS semaphore
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsDeleteSemaphore (
    ACPI_HANDLE         Handle)
{
	
	return AE_OK;

debugf("[ACPI] OsDeleteSemaphore\n");

    if (!Handle)
    {
        return AE_BAD_PARAMETER;
    }

    return AE_OK;
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsWaitSemaphore
 *
 * PARAMETERS:  Handle              - Handle returned by AcpiOsCreateSemaphore
 *              Units               - How many units to wait for
 *              Timeout             - How long to wait
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Wait for units
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsWaitSemaphore (
    ACPI_HANDLE         Handle,
    UINT32              Units,
    UINT16              Timeout)
{
	
	return AE_OK;
	
	debugf("[ACPI] OsWaitSemaphore\n");
	// wait
	UINT16 i;
	for (i = 0; i < Timeout; i++)
	{
		// TODO:  make this real with scheduling
		if (sems[(int)Handle].val >= Units)
		{
			sems[(int)Handle].val -= Units;
			return AE_OK;
		}
	}
	
	
    return AE_TIME;
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsSignalSemaphore
 *
 * PARAMETERS:  Handle              - Handle returned by AcpiOsCreateSemaphore
 *              Units               - Number of units to send
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Send units
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsSignalSemaphore (
    ACPI_HANDLE         Handle,
    UINT32              Units)
{
	
	return AE_OK;

debugf("[ACPI] OsSignalSemaphore\n");

	sems[(int)Handle].val += Units;

    return AE_OK;
}


ACPI_STATUS
AcpiOsCreateLock (
    ACPI_SPINLOCK           *OutHandle)
{
	
	return AE_OK;

debugf("[ACPI] OsCreateLock\n");
    return (AcpiOsCreateSemaphore (1, 1, OutHandle));
}

void
AcpiOsDeleteLock (
    ACPI_SPINLOCK           Handle)
{
	return;
	
debugf("[ACPI] OsDeleteLock\n");
    AcpiOsDeleteSemaphore (Handle);
}


ACPI_CPU_FLAGS
AcpiOsAcquireLock (
    ACPI_HANDLE             Handle)
{
	return AE_OK;
	
debugf("[ACPI] OsAqcuireLock\n");
    AcpiOsWaitSemaphore (Handle, 1, 0xFFFF);
    return (0);
}


void
AcpiOsReleaseLock (
    ACPI_SPINLOCK           Handle,
    ACPI_CPU_FLAGS          Flags)
{
	return;
	
debugf("[ACPI] OsReleaseLock\n");
    AcpiOsSignalSemaphore (Handle, 1);
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsInstallInterruptHandler
 *
 * PARAMETERS:  InterruptNumber     Level handler should respond to.
 *              Isr                 Address of the ACPI interrupt handler
 *              ExceptPtr           Where status is returned
 *
 * RETURN:      Handle to the newly installed handler.
 *
 * DESCRIPTION: Install an interrupt handler.  Used to install the ACPI
 *              OS-independent handler.
 *
 *****************************************************************************/

UINT32
AcpiOsInstallInterruptHandler (
    UINT32                  InterruptNumber,
    ACPI_OSD_HANDLER        ServiceRoutine,
    void                    *Context)
{

debugf_and_pause("[ACPI] OsInstallInterruptHandler\n");
    return AE_OK;
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsRemoveInterruptHandler
 *
 * PARAMETERS:  Handle              Returned when handler was installed
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Uninstalls an interrupt handler.
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsRemoveInterruptHandler (
    UINT32                  InterruptNumber,
    ACPI_OSD_HANDLER        ServiceRoutine)
{
debugf_and_pause("[ACPI] OsRemoveInterruptHandler\n");
    return AE_OK;
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsExecute
 *
 * PARAMETERS:  Type            - Type of execution
 *              Function        - Address of the function to execute
 *              Context         - Passed as a parameter to the function
 *
 * RETURN:      Status.
 *
 * DESCRIPTION: Execute a new thread
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsExecute (
    ACPI_EXECUTE_TYPE       Type,
    ACPI_OSD_EXEC_CALLBACK  Function,
    void                    *Context)
{
debugf_and_pause("[ACPI] OsExecute\n");
//    _beginthread (Function, (unsigned) 0, Context);
    return 0;
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsBreakpoint
 *
 * PARAMETERS:  Msg                 Message to print
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Print a message and break to the debugger.
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsBreakpoint (
    char                    *Msg)
{

debugf_and_pause("[ACPI] OsBreakpoint\n");

    if (Msg)
    {
        AcpiOsPrintf ("AcpiOsBreakpoint: %s ****\n", Msg);
    }
    else
    {
        AcpiOsPrintf ("At AcpiOsBreakpoint ****\n");
    }

    return AE_OK;
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsStall
 *
 * PARAMETERS:  microseconds        To sleep
 *
 * RETURN:      Blocks until sleep is completed.
 *
 * DESCRIPTION: Sleep at microsecond granularity
 *
 *****************************************************************************/

void
AcpiOsStall (
    UINT32                  microseconds)
{
debugf_and_pause("[ACPI] OsStall\n");
    if (microseconds)
    {
        //usleep (microseconds);
    }
    return;
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsSleep
 *
 * PARAMETERS:  milliseconds        To sleep
 *
 * RETURN:      Blocks until sleep is completed.
 *
 * DESCRIPTION: Sleep at millisecond granularity
 *
 *****************************************************************************/

void
AcpiOsSleep (
    ACPI_INTEGER            milliseconds)
{

debugf_and_pause("[ACPI] OsSleep\n");
    //sleep (milliseconds / 1000);    /* Sleep for whole seconds */

    /*
     * Arg to usleep() must be less than 1,000,000 (1 second)
     */
    //usleep ((milliseconds % 1000) * 1000);      /* Sleep for remaining usecs */

    return;
}

/******************************************************************************
 *
 * FUNCTION:    AcpiOsGetTimer
 *
 * PARAMETERS:  None
 *
 * RETURN:      Current time in 100 nanosecond units
 *
 * DESCRIPTION: Get the current system time
 *
 *****************************************************************************/

UINT64
AcpiOsGetTimer (void)
{

debugf_and_pause("[ACPI] OsGetTimer\n");
    //struct timeval  time;

    //gettimeofday(&time, NULL);

    /* Seconds * 10^7 = 100ns(10^-7), Microseconds(10^-6) * 10^1 = 100ns */

    //return (((UINT64) time.tv_sec * 10000000) + ((UINT64) time.tv_usec * 10));
return 0;
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsValidateInterface
 *
 * PARAMETERS:  Interface           - Requested interface to be validated
 *
 * RETURN:      AE_OK if interface is supported, AE_SUPPORT otherwise
 *
 * DESCRIPTION: Match an interface string to the interfaces supported by the
 *              host. Strings originate from an AML call to the _OSI method.
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsValidateInterface (
    char                    *Interface)
{

debugf_and_pause("[ACPI] OsValidateInterface\n");
    return (AE_SUPPORT);
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsValidateAddress
 *
 * PARAMETERS:  SpaceId             - ACPI space ID
 *              Address             - Physical address
 *              Length              - Address length
 *
 * RETURN:      AE_OK if Address/Length is valid for the SpaceId. Otherwise,
 *              should return AE_AML_ILLEGAL_ADDRESS.
 *
 * DESCRIPTION: Validate a system address via the host OS. Used to validate
 *              the addresses accessed by AML operation regions.
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsValidateAddress (
    UINT8                   SpaceId,
    ACPI_PHYSICAL_ADDRESS   Address,
    ACPI_SIZE               Length)
{

//debugf_and_pause("[ACPI] OsValidateAddress\n");

    return (AE_OK);
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsReadPciConfiguration
 *
 * PARAMETERS:  PciId               Seg/Bus/Dev
 *              Register            Device Register
 *              Value               Buffer where value is placed
 *              Width               Number of bits
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Read data from PCI configuration space
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsReadPciConfiguration (
    ACPI_PCI_ID             *PciId,
    UINT32                  Register,
    void                    *Value,
    UINT32                  Width)
{

debugf_and_pause("[ACPI] OsReadPciConfiguration\n");
    return (AE_OK);
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsWritePciConfiguration
 *
 * PARAMETERS:  PciId               Seg/Bus/Dev
 *              Register            Device Register
 *              Value               Value to be written
 *              Width               Number of bits
 *
 * RETURN:      Status.
 *
 * DESCRIPTION: Write data to PCI configuration space
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsWritePciConfiguration (
    ACPI_PCI_ID             *PciId,
    UINT32                  Register,
    ACPI_INTEGER            Value,
    UINT32                  Width)
{

debugf_and_pause("[ACPI] OsWritePciConfiguration\n");
    return (AE_OK);
}

/* TEMPORARY STUB FUNCTION */
void
AcpiOsDerivePciId(
    ACPI_HANDLE             rhandle,
    ACPI_HANDLE             chandle,
    ACPI_PCI_ID             **PciId)
{

debugf_and_pause("[ACPI] OsDerivePciId\n");
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsReadPort
 *
 * PARAMETERS:  Address             Address of I/O port/register to read
 *              Value               Where value is placed
 *              Width               Number of bits
 *
 * RETURN:      Value read from port
 *
 * DESCRIPTION: Read data from an I/O port or register
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsReadPort (
    ACPI_IO_ADDRESS         Address,
    UINT32                  *Value,
    UINT32                  Width)
{

debugf_and_pause("[ACPI] PsReadPort\n");

    switch (Width)
    {
    case 8:
        *Value = 0xFF;
        break;

    case 16:
        *Value = 0xFFFF;
        break;

    case 32:
        *Value = 0xFFFFFFFF;
        break;
    }

    return (AE_OK);
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsWritePort
 *
 * PARAMETERS:  Address             Address of I/O port/register to write
 *              Value               Value to write
 *              Width               Number of bits
 *
 * RETURN:      None
 *
 * DESCRIPTION: Write data to an I/O port or register
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsWritePort (
    ACPI_IO_ADDRESS         Address,
    UINT32                  Value,
    UINT32                  Width)
{

debugf_and_pause("[ACPI] OsWritePort\n");

    return (AE_OK);
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsReadMemory
 *
 * PARAMETERS:  Address             Physical Memory Address to read
 *              Value               Where value is placed
 *              Width               Number of bits
 *
 * RETURN:      Value read from physical memory address
 *
 * DESCRIPTION: Read data from a physical memory address
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsReadMemory (
    ACPI_PHYSICAL_ADDRESS   Address,
    UINT32                  *Value,
    UINT32                  Width)
{

debugf_and_pause("[ACPI] OsReadMemory\n");
    switch (Width)
    {
    case 8:
    case 16:
    case 32:
        *Value = 0;
        break;

    default:
        return (AE_BAD_PARAMETER);
        break;
    }
    return (AE_OK);
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsWriteMemory
 *
 * PARAMETERS:  Address             Physical Memory Address to write
 *              Value               Value to write
 *              Width               Number of bits
 *
 * RETURN:      None
 *
 * DESCRIPTION: Write data to a physical memory address
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsWriteMemory (
    ACPI_PHYSICAL_ADDRESS   Address,
    UINT32                  Value,
    UINT32                  Width)
{

debugf_and_pause("[ACPI] OsWriteMemory\n");

    return (AE_OK);
}


ACPI_THREAD_ID
AcpiOsGetThreadId(void)
{
//debugf("[ACPI] OsGetThreadId\n");
    return 1;
}


/******************************************************************************
 *
 * FUNCTION:    AcpiOsSignal
 *
 * PARAMETERS:  Function            ACPI CA signal function code
 *              Info                Pointer to function-dependent structure
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Miscellaneous functions
 *
 *****************************************************************************/

ACPI_STATUS
AcpiOsSignal (
    UINT32                  Function,
    void                    *Info)
{

debugf_and_pause("[ACPI] OsSignal\n");

    switch (Function)
    {
    case ACPI_SIGNAL_FATAL:
        break;

    case ACPI_SIGNAL_BREAKPOINT:

        if (Info)
        {
            AcpiOsPrintf ("AcpiOsBreakpoint: %s ****\n", Info);
        }
        else
        {
            AcpiOsPrintf ("At AcpiOsBreakpoint ****\n");
        }

        break;
    }


    return (AE_OK);
}


